Karin Radcliff, age 23, works a soul-crushing job in retail, leads a lamentable love life, and can't help but wonder if her life is going anywhere. She has a secret though, she was once one of the four Magical Girls who saved Earth from the Dark Lord. Seeing the struggles of her fellow humans inflicted upon them by sources of suffering surrounding them, she can't help but wonder if the Earth needs someone to fight for love and justice once again.